int main() {
Circle circle = Circle(5.3, 3.4, 9.88);
circle.showCircle();
cout << "Area = " << circle.area() << endl;
circle.move(12.09, 2);
// move()继承自Point，在父类中是公有的
// 公有继承下，move()在子类中是公有的
// 私有继承下，move()在子类中是私有的，main()中无法访问，但子类可以进行同名覆盖
circle.showCircle();
cout << "Area = " << circle.area() << endl;
return 0;
}
int ccc_win_main() {
/* Point class
1. Point (x,y)
x, y can be int, dbl, etc.
2. p.get_x()
2. p.get_y()
3. p.move(dx,dy)
dx,dy are numbers
attributes:
x: numbers
y: numbers
*/
Point origin = Point (0,0);
double x = origin.get_x();
cout << x;
//cout << origin; //IOSTREAM does not know what a point is and cannot output
cwin << origin //Outputs origin to screen.
/* Line Class
1. Line (p,q)
p,q must be points
2. l.get_start()
2. l.get_end()
3. l.move (Ax,dy)
Ax,dy are numbers
*/
Line diag (origin, Point(5,5))
Line diag2 (origin, origin.move (5,5))
cwin << diag2;
cwin << origin;
/* Circle Class
1. Circle (p,r)
p is point and r is any number
2. c.get_center()
returns point (center)
2. c.get_radius()
returns radius
3. c.move(dx,dy)
*/
//Overloading - using 2 different types of input
//Encapsulation - fuctions only accessible by other functions and not the user
Circle k = Circle (-5,10);
cwin << k;
k.move (-80,40);
cwin << k;
Circle kk = Circle (Point(15,20),10);
/* Message Class
1. message(p,s)
p is point and s is message
2. m.get_start()
returns point
2. m.get_text()
returns message
3. m.move(dx,dy)
*/
message m = message (Point(0,0), "This is the origin.");
cwin << m;
cwin,coord (0,5000,5000,0); //Sets the coordinate system according to the topleft most and bottomright most points
string name = cwin.get_string(p); // p is promt, i.e. p = "get name"
int i = cwin.get_int("enter age");
double ss = cwin.get_double("Enter SS#");
Point click = cwin.get_mouse("Please click somewhere");
cout << click.get_x() << click.get_y();
}